Question

In C# is it ok to use this in the constructor? (i.e., is it ok to reference the instance in the constructor)

As a simple example:

public class Test{

 public Test()
 {
    Type type = this.GetType()
 }

}

Answer 1

Yes, you can use this in the constructor, but not in field initializers.

So this is not valid:

class Foo
{
    private int _bar = this.GetBar();

    int GetBar()
    {
        return 42;
    }
}

But this is allowed:

class Foo
{
    private int _bar;

    public Foo()
    {
        _bar = this.GetBar();
    }

    int GetBar()
    {
        return 42;
    }
}